2789717

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 18

約数和(自身を含む): 3464802

約数和(自身を除く): 675085

約数列:

[1, 7, 17, 49, 119, 197, 289, 833, 1379, 2023, 3349, 9653, 14161, 23443, 56933, 164101, 398531, 2789717]

約数ペア:

[(1, 2789717), (7, 398531), (17, 164101), (49, 56933), (119, 23443), (197, 14161), (289, 9653), (833, 3349), (1379, 2023)]